they told to us get out. >> reporter: evacuees watched, crews worked to stop the leak. a fire fighter says they were looking for the closest shut off valve. >> they don't have the map right now. >> was there a period of time when you didn't have the map? >> very to ask the supervisor this, is our typical response. we're on the scene. reviewing maps to find out which gas lines are feeding that damaged section of pipe. so we can ice yol yait that section stop the flow, make this safe and continue with repairs. >> reporter: we're back live here, you can imagine with san bruno, every precaution was taken. the oakland fire department has been standing fwoi make sure everything stays safe. pg&e says the shut off valve for this particular gas line is far from this area. so if they had shut that ofl, they said it would have been a larger disruption to customers so they said what they did is create these cuttoff valve temporary valves at two locations into this immediate area. the valve is now shut off. i am told folks have been evacuated from apartments behind me. i'm told will